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-rw-r--r--src/soc/amd/common/block/acpi/ivrs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/soc/amd/common/block/acpi/ivrs.c b/src/soc/amd/common/block/acpi/ivrs.c
index 8923463729..8a03c629cd 100644
--- a/src/soc/amd/common/block/acpi/ivrs.c
+++ b/src/soc/amd/common/block/acpi/ivrs.c
@@ -29,7 +29,7 @@ unsigned long acpi_fill_ivrs_ioapic(acpi_ivrs_t *ivrs, unsigned long current)
IVHD_DTE_SYS_MGT_NO_TRANS | IVHD_DTE_NMI_PASS |
IVHD_DTE_EXT_INT_PASS | IVHD_DTE_INIT_PASS;
ivhd_ioapic->handle = get_ioapic_id(VIO_APIC_VADDR);
- ivhd_ioapic->source_dev_id = PCI_DEVFN(SMBUS_DEV, SMBUS_FUNC);
+ ivhd_ioapic->source_dev_id = SMBUS_DEVFN; /* function 0 of FCH PCI device */
ivhd_ioapic->variety = IVHD_SPECIAL_DEV_IOAPIC;
current += sizeof(ivrs_ivhd_special_t);
@@ -53,7 +53,7 @@ static unsigned long ivhd_describe_hpet(unsigned long current)
ivhd_hpet->reserved = 0x0000;
ivhd_hpet->dte_setting = 0x00;
ivhd_hpet->handle = 0x00;
- ivhd_hpet->source_dev_id = PCI_DEVFN(SMBUS_DEV, SMBUS_FUNC);
+ ivhd_hpet->source_dev_id = SMBUS_DEVFN; /* function 0 of FCH PCI device */
ivhd_hpet->variety = IVHD_SPECIAL_DEV_HPET;
current += sizeof(ivrs_ivhd_special_t);